Exception: ActiveModel::MissingAttributeError
| Relationships & Source Files | |
| Super Chains via Extension / Inclusion / Inheritance | |
|
Class Chain:
self,
NoMethodError
|
|
|
Instance Chain:
self,
NoMethodError
|
|
| Inherits: |
NoMethodError
|
| Defined in: | activemodel/lib/active_model/attribute_methods.rb |
Overview
Raised when an attribute is not defined.
class User < ActiveRecord::Base
has_many :pets
end
user = User.first
user.pets.select(:id).first.user_id
# => ActiveModel::MissingAttributeError: missing attribute: user_id